From a8dd1f93c6af6ef3fb52482584b3a8691269ea02 Mon Sep 17 00:00:00 2001 From: Steve Ruckdashel Date: Thu, 4 Apr 2019 08:59:18 -0500 Subject: [PATCH] node: switching prometheus flock location to tsdb (#19376) * node: switching prometheus flock location to tsdb * rookie mistake --- node/node.go | 8 +- .../github.com/prometheus/prometheus/NOTICE | 87 ---------- .../prometheus/{prometheus => tsdb}/LICENSE | 0 .../prometheus/tsdb/fileutil/dir_unix.go | 22 +++ .../prometheus/tsdb/fileutil/dir_windows.go | 46 ++++++ .../prometheus/tsdb/fileutil/fileutil.go | 149 ++++++++++++++++++ .../util/flock => tsdb/fileutil}/flock.go | 15 +- .../flock => tsdb/fileutil}/flock_plan9.go | 2 +- .../flock => tsdb/fileutil}/flock_solaris.go | 2 +- .../flock => tsdb/fileutil}/flock_unix.go | 2 +- .../flock => tsdb/fileutil}/flock_windows.go | 2 +- .../prometheus/tsdb/fileutil/mmap.go | 61 +++++++ .../prometheus/tsdb/fileutil/mmap_386.go | 18 +++ .../prometheus/tsdb/fileutil/mmap_amd64.go | 18 +++ .../prometheus/tsdb/fileutil/mmap_unix.go | 30 ++++ .../prometheus/tsdb/fileutil/mmap_windows.go | 46 ++++++ .../prometheus/tsdb/fileutil/preallocate.go | 54 +++++++ .../tsdb/fileutil/preallocate_darwin.go | 41 +++++ .../tsdb/fileutil/preallocate_linux.go | 47 ++++++ .../tsdb/fileutil/preallocate_other.go | 25 +++ .../prometheus/tsdb/fileutil/sync.go | 29 ++++ .../prometheus/tsdb/fileutil/sync_darwin.go | 40 +++++ .../prometheus/tsdb/fileutil/sync_linux.go | 34 ++++ vendor/vendor.json | 8 +- 24 files changed, 677 insertions(+), 109 deletions(-) delete mode 100644 vendor/github.com/prometheus/prometheus/NOTICE rename vendor/github.com/prometheus/{prometheus => tsdb}/LICENSE (100%) create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/dir_unix.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/dir_windows.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/fileutil.go rename vendor/github.com/prometheus/{prometheus/util/flock => tsdb/fileutil}/flock.go (68%) rename vendor/github.com/prometheus/{prometheus/util/flock => tsdb/fileutil}/flock_plan9.go (98%) rename vendor/github.com/prometheus/{prometheus/util/flock => tsdb/fileutil}/flock_solaris.go (98%) rename vendor/github.com/prometheus/{prometheus/util/flock => tsdb/fileutil}/flock_unix.go (98%) rename vendor/github.com/prometheus/{prometheus/util/flock => tsdb/fileutil}/flock_windows.go (98%) create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/mmap.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/mmap_386.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/mmap_amd64.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/mmap_unix.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/mmap_windows.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/preallocate.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/preallocate_darwin.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/preallocate_linux.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/preallocate_other.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/sync.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/sync_darwin.go create mode 100644 vendor/github.com/prometheus/tsdb/fileutil/sync_linux.go diff --git a/node/node.go b/node/node.go index f4c7d8c726..ff2244503f 100644 --- a/node/node.go +++ b/node/node.go @@ -34,7 +34,7 @@ import ( "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/rpc" - "github.com/prometheus/prometheus/util/flock" + "github.com/prometheus/tsdb/fileutil" ) // Node is a container on which services can be registered. @@ -43,8 +43,8 @@ type Node struct { config *Config accman *accounts.Manager - ephemeralKeystore string // if non-empty, the key directory that will be removed by Stop - instanceDirLock flock.Releaser // prevents concurrent use of instance directory + ephemeralKeystore string // if non-empty, the key directory that will be removed by Stop + instanceDirLock fileutil.Releaser // prevents concurrent use of instance directory serverConfig p2p.Config server *p2p.Server // Currently running P2P networking layer @@ -267,7 +267,7 @@ func (n *Node) openDataDir() error { } // Lock the instance directory to prevent concurrent use by another instance as well as // accidental use of the instance directory as a database. - release, _, err := flock.New(filepath.Join(instdir, "LOCK")) + release, _, err := fileutil.Flock(filepath.Join(instdir, "LOCK")) if err != nil { return convertFileLockError(err) } diff --git a/vendor/github.com/prometheus/prometheus/NOTICE b/vendor/github.com/prometheus/prometheus/NOTICE deleted file mode 100644 index 47de2415e1..0000000000 --- a/vendor/github.com/prometheus/prometheus/NOTICE +++ /dev/null @@ -1,87 +0,0 @@ -The Prometheus systems and service monitoring server -Copyright 2012-2015 The Prometheus Authors - -This product includes software developed at -SoundCloud Ltd. (http://soundcloud.com/). - - -The following components are included in this product: - -Bootstrap -http://getbootstrap.com -Copyright 2011-2014 Twitter, Inc. -Licensed under the MIT License - -bootstrap3-typeahead.js -https://github.com/bassjobsen/Bootstrap-3-Typeahead -Original written by @mdo and @fat -Copyright 2014 Bass Jobsen @bassjobsen -Licensed under the Apache License, Version 2.0 - -fuzzy -https://github.com/mattyork/fuzzy -Original written by @mattyork -Copyright 2012 Matt York -Licensed under the MIT License - -bootstrap-datetimepicker.js -https://github.com/Eonasdan/bootstrap-datetimepicker -Copyright 2015 Jonathan Peterson (@Eonasdan) -Licensed under the MIT License - -moment.js -https://github.com/moment/moment/ -Copyright JS Foundation and other contributors -Licensed under the MIT License - -Rickshaw -https://github.com/shutterstock/rickshaw -Copyright 2011-2014 by Shutterstock Images, LLC -See https://github.com/shutterstock/rickshaw/blob/master/LICENSE for license details - -mustache.js -https://github.com/janl/mustache.js -Copyright 2009 Chris Wanstrath (Ruby) -Copyright 2010-2014 Jan Lehnardt (JavaScript) -Copyright 2010-2015 The mustache.js community -Licensed under the MIT License - -jQuery -https://jquery.org -Copyright jQuery Foundation and other contributors -Licensed under the MIT License - -Go support for Protocol Buffers - Google's data interchange format -http://github.com/golang/protobuf/ -Copyright 2010 The Go Authors -See source code for license details. - -Go support for leveled logs, analogous to -https://code.google.com/p/google-glog/ -Copyright 2013 Google Inc. -Licensed under the Apache License, Version 2.0 - -Support for streaming Protocol Buffer messages for the Go language (golang). -https://github.com/matttproud/golang_protobuf_extensions -Copyright 2013 Matt T. Proud -Licensed under the Apache License, Version 2.0 - -DNS library in Go -http://miek.nl/posts/2014/Aug/16/go-dns-package/ -Copyright 2009 The Go Authors, 2011 Miek Gieben -See https://github.com/miekg/dns/blob/master/LICENSE for license details. - -LevelDB key/value database in Go -https://github.com/syndtr/goleveldb -Copyright 2012 Suryandaru Triandana -See https://github.com/syndtr/goleveldb/blob/master/LICENSE for license details. - -gosnappy - a fork of code.google.com/p/snappy-go -https://github.com/syndtr/gosnappy -Copyright 2011 The Snappy-Go Authors -See https://github.com/syndtr/gosnappy/blob/master/LICENSE for license details. - -go-zookeeper - Native ZooKeeper client for Go -https://github.com/samuel/go-zookeeper -Copyright (c) 2013, Samuel Stauffer -See https://github.com/samuel/go-zookeeper/blob/master/LICENSE for license details. diff --git a/vendor/github.com/prometheus/prometheus/LICENSE b/vendor/github.com/prometheus/tsdb/LICENSE similarity index 100% rename from vendor/github.com/prometheus/prometheus/LICENSE rename to vendor/github.com/prometheus/tsdb/LICENSE diff --git a/vendor/github.com/prometheus/tsdb/fileutil/dir_unix.go b/vendor/github.com/prometheus/tsdb/fileutil/dir_unix.go new file mode 100644 index 0000000000..58a77dfc1a --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/dir_unix.go @@ -0,0 +1,22 @@ +// Copyright 2016 The etcd Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build !windows + +package fileutil + +import "os" + +// OpenDir opens a directory for syncing. +func OpenDir(path string) (*os.File, error) { return os.Open(path) } diff --git a/vendor/github.com/prometheus/tsdb/fileutil/dir_windows.go b/vendor/github.com/prometheus/tsdb/fileutil/dir_windows.go new file mode 100644 index 0000000000..c123395c00 --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/dir_windows.go @@ -0,0 +1,46 @@ +// Copyright 2016 The etcd Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build windows + +package fileutil + +import ( + "os" + "syscall" +) + +// OpenDir opens a directory in windows with write access for syncing. +func OpenDir(path string) (*os.File, error) { + fd, err := openDir(path) + if err != nil { + return nil, err + } + return os.NewFile(uintptr(fd), path), nil +} + +func openDir(path string) (fd syscall.Handle, err error) { + if len(path) == 0 { + return syscall.InvalidHandle, syscall.ERROR_FILE_NOT_FOUND + } + pathp, err := syscall.UTF16PtrFromString(path) + if err != nil { + return syscall.InvalidHandle, err + } + access := uint32(syscall.GENERIC_READ | syscall.GENERIC_WRITE) + sharemode := uint32(syscall.FILE_SHARE_READ | syscall.FILE_SHARE_WRITE) + createmode := uint32(syscall.OPEN_EXISTING) + fl := uint32(syscall.FILE_FLAG_BACKUP_SEMANTICS) + return syscall.CreateFile(pathp, access, sharemode, nil, createmode, fl, 0) +} diff --git a/vendor/github.com/prometheus/tsdb/fileutil/fileutil.go b/vendor/github.com/prometheus/tsdb/fileutil/fileutil.go new file mode 100644 index 0000000000..154fa18443 --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/fileutil.go @@ -0,0 +1,149 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package fileutil provides utility methods used when dealing with the filesystem in tsdb. +// It is largely copied from github.com/coreos/etcd/pkg/fileutil to avoid the +// dependency chain it brings with it. +// Please check github.com/coreos/etcd for licensing information. +package fileutil + +import ( + "io/ioutil" + "os" + "path/filepath" + "sort" + "strings" +) + +// CopyDirs copies all directories, subdirectories and files recursively including the empty folders. +// Source and destination must be full paths. +func CopyDirs(src, dest string) error { + if err := os.MkdirAll(dest, 0777); err != nil { + return err + } + files, err := readDirs(src) + if err != nil { + return err + } + + for _, f := range files { + dp := filepath.Join(dest, f) + sp := filepath.Join(src, f) + + stat, err := os.Stat(sp) + if err != nil { + return err + } + + // Empty directories are also created. + if stat.IsDir() { + if err := os.MkdirAll(dp, 0777); err != nil { + return err + } + continue + } + + if err := copyFile(sp, dp); err != nil { + return err + } + } + return nil +} + +func copyFile(src, dest string) error { + data, err := ioutil.ReadFile(src) + if err != nil { + return err + } + + err = ioutil.WriteFile(dest, data, 0644) + if err != nil { + return err + } + return nil +} + +// readDirs reads the source directory recursively and +// returns relative paths to all files and empty directories. +func readDirs(src string) ([]string, error) { + var files []string + + err := filepath.Walk(src, func(path string, f os.FileInfo, err error) error { + relativePath := strings.TrimPrefix(path, src) + if len(relativePath) > 0 { + files = append(files, relativePath) + } + return nil + }) + if err != nil { + return nil, err + } + return files, nil +} + +// ReadDir returns the filenames in the given directory in sorted order. +func ReadDir(dirpath string) ([]string, error) { + dir, err := os.Open(dirpath) + if err != nil { + return nil, err + } + defer dir.Close() + names, err := dir.Readdirnames(-1) + if err != nil { + return nil, err + } + sort.Strings(names) + return names, nil +} + +// Rename safely renames a file. +func Rename(from, to string) error { + if err := os.Rename(from, to); err != nil { + return err + } + + // Directory was renamed; sync parent dir to persist rename. + pdir, err := OpenDir(filepath.Dir(to)) + if err != nil { + return err + } + + if err = Fsync(pdir); err != nil { + pdir.Close() + return err + } + return pdir.Close() +} + +// Replace moves a file or directory to a new location and deletes any previous data. +// It is not atomic. +func Replace(from, to string) error { + if err := os.RemoveAll(to); err != nil { + return err + } + if err := os.Rename(from, to); err != nil { + return err + } + + // Directory was renamed; sync parent dir to persist rename. + pdir, err := OpenDir(filepath.Dir(to)) + if err != nil { + return err + } + + if err = Fsync(pdir); err != nil { + pdir.Close() + return err + } + return pdir.Close() +} diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock.go b/vendor/github.com/prometheus/tsdb/fileutil/flock.go similarity index 68% rename from vendor/github.com/prometheus/prometheus/util/flock/flock.go rename to vendor/github.com/prometheus/tsdb/fileutil/flock.go index 5dc22a2fae..d5eaa7ca2a 100644 --- a/vendor/github.com/prometheus/prometheus/util/flock/flock.go +++ b/vendor/github.com/prometheus/tsdb/fileutil/flock.go @@ -11,12 +11,7 @@ // See the License for the specific language governing permissions and // limitations under the License. -// Package flock provides portable file locking. It is essentially ripped out -// from the code of github.com/syndtr/goleveldb. Strange enough that the -// standard library does not provide this functionality. Once this package has -// proven to work as expected, we should probably turn it into a separate -// general purpose package for humanity. -package flock +package fileutil import ( "os" @@ -28,19 +23,19 @@ type Releaser interface { Release() error } -// New locks the file with the provided name. If the file does not exist, it is +// Flock locks the file with the provided name. If the file does not exist, it is // created. The returned Releaser is used to release the lock. existed is true // if the file to lock already existed. A non-nil error is returned if the // locking has failed. Neither this function nor the returned Releaser is // goroutine-safe. -func New(fileName string) (r Releaser, existed bool, err error) { +func Flock(fileName string) (r Releaser, existed bool, err error) { if err = os.MkdirAll(filepath.Dir(fileName), 0755); err != nil { - return + return nil, false, err } _, err = os.Stat(fileName) existed = err == nil r, err = newLock(fileName) - return + return r, existed, err } diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock_plan9.go b/vendor/github.com/prometheus/tsdb/fileutil/flock_plan9.go similarity index 98% rename from vendor/github.com/prometheus/prometheus/util/flock/flock_plan9.go rename to vendor/github.com/prometheus/tsdb/fileutil/flock_plan9.go index 004e85c0fe..8a3d44c5e1 100644 --- a/vendor/github.com/prometheus/prometheus/util/flock/flock_plan9.go +++ b/vendor/github.com/prometheus/tsdb/fileutil/flock_plan9.go @@ -11,7 +11,7 @@ // See the License for the specific language governing permissions and // limitations under the License. -package flock +package fileutil import "os" diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock_solaris.go b/vendor/github.com/prometheus/tsdb/fileutil/flock_solaris.go similarity index 98% rename from vendor/github.com/prometheus/prometheus/util/flock/flock_solaris.go rename to vendor/github.com/prometheus/tsdb/fileutil/flock_solaris.go index 299fc87446..7f527ae6c4 100644 --- a/vendor/github.com/prometheus/prometheus/util/flock/flock_solaris.go +++ b/vendor/github.com/prometheus/tsdb/fileutil/flock_solaris.go @@ -13,7 +13,7 @@ // +build solaris -package flock +package fileutil import ( "os" diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock_unix.go b/vendor/github.com/prometheus/tsdb/fileutil/flock_unix.go similarity index 98% rename from vendor/github.com/prometheus/prometheus/util/flock/flock_unix.go rename to vendor/github.com/prometheus/tsdb/fileutil/flock_unix.go index 7d71f8fc09..f493fbd831 100644 --- a/vendor/github.com/prometheus/prometheus/util/flock/flock_unix.go +++ b/vendor/github.com/prometheus/tsdb/fileutil/flock_unix.go @@ -13,7 +13,7 @@ // +build darwin dragonfly freebsd linux netbsd openbsd -package flock +package fileutil import ( "os" diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock_windows.go b/vendor/github.com/prometheus/tsdb/fileutil/flock_windows.go similarity index 98% rename from vendor/github.com/prometheus/prometheus/util/flock/flock_windows.go rename to vendor/github.com/prometheus/tsdb/fileutil/flock_windows.go index bf7266f14c..1c17ff4ea3 100644 --- a/vendor/github.com/prometheus/prometheus/util/flock/flock_windows.go +++ b/vendor/github.com/prometheus/tsdb/fileutil/flock_windows.go @@ -11,7 +11,7 @@ // See the License for the specific language governing permissions and // limitations under the License. -package flock +package fileutil import "syscall" diff --git a/vendor/github.com/prometheus/tsdb/fileutil/mmap.go b/vendor/github.com/prometheus/tsdb/fileutil/mmap.go new file mode 100644 index 0000000000..26fc80c585 --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/mmap.go @@ -0,0 +1,61 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package fileutil + +import ( + "os" + + "github.com/pkg/errors" +) + +type MmapFile struct { + f *os.File + b []byte +} + +func OpenMmapFile(path string) (*MmapFile, error) { + f, err := os.Open(path) + if err != nil { + return nil, errors.Wrap(err, "try lock file") + } + info, err := f.Stat() + if err != nil { + return nil, errors.Wrap(err, "stat") + } + + b, err := mmap(f, int(info.Size())) + if err != nil { + return nil, errors.Wrap(err, "mmap") + } + + return &MmapFile{f: f, b: b}, nil +} + +func (f *MmapFile) Close() error { + err0 := munmap(f.b) + err1 := f.f.Close() + + if err0 != nil { + return err0 + } + return err1 +} + +func (f *MmapFile) File() *os.File { + return f.f +} + +func (f *MmapFile) Bytes() []byte { + return f.b +} diff --git a/vendor/github.com/prometheus/tsdb/fileutil/mmap_386.go b/vendor/github.com/prometheus/tsdb/fileutil/mmap_386.go new file mode 100644 index 0000000000..66b9d36803 --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/mmap_386.go @@ -0,0 +1,18 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build windows + +package fileutil + +const maxMapSize = 0x7FFFFFFF // 2GB diff --git a/vendor/github.com/prometheus/tsdb/fileutil/mmap_amd64.go b/vendor/github.com/prometheus/tsdb/fileutil/mmap_amd64.go new file mode 100644 index 0000000000..4b523bc67c --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/mmap_amd64.go @@ -0,0 +1,18 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build windows + +package fileutil + +const maxMapSize = 0xFFFFFFFFFFFF // 256TB diff --git a/vendor/github.com/prometheus/tsdb/fileutil/mmap_unix.go b/vendor/github.com/prometheus/tsdb/fileutil/mmap_unix.go new file mode 100644 index 0000000000..043f4d408c --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/mmap_unix.go @@ -0,0 +1,30 @@ +// Copyright 2017 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build !windows,!plan9 + +package fileutil + +import ( + "os" + + "golang.org/x/sys/unix" +) + +func mmap(f *os.File, length int) ([]byte, error) { + return unix.Mmap(int(f.Fd()), 0, length, unix.PROT_READ, unix.MAP_SHARED) +} + +func munmap(b []byte) (err error) { + return unix.Munmap(b) +} diff --git a/vendor/github.com/prometheus/tsdb/fileutil/mmap_windows.go b/vendor/github.com/prometheus/tsdb/fileutil/mmap_windows.go new file mode 100644 index 0000000000..b942264123 --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/mmap_windows.go @@ -0,0 +1,46 @@ +// Copyright 2017 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package fileutil + +import ( + "os" + "syscall" + "unsafe" +) + +func mmap(f *os.File, size int) ([]byte, error) { + low, high := uint32(size), uint32(size>>32) + h, errno := syscall.CreateFileMapping(syscall.Handle(f.Fd()), nil, syscall.PAGE_READONLY, high, low, nil) + if h == 0 { + return nil, os.NewSyscallError("CreateFileMapping", errno) + } + + addr, errno := syscall.MapViewOfFile(h, syscall.FILE_MAP_READ, 0, 0, uintptr(size)) + if addr == 0 { + return nil, os.NewSyscallError("MapViewOfFile", errno) + } + + if err := syscall.CloseHandle(syscall.Handle(h)); err != nil { + return nil, os.NewSyscallError("CloseHandle", err) + } + + return (*[maxMapSize]byte)(unsafe.Pointer(addr))[:size], nil +} + +func munmap(b []byte) error { + if err := syscall.UnmapViewOfFile((uintptr)(unsafe.Pointer(&b[0]))); err != nil { + return os.NewSyscallError("UnmapViewOfFile", err) + } + return nil +} diff --git a/vendor/github.com/prometheus/tsdb/fileutil/preallocate.go b/vendor/github.com/prometheus/tsdb/fileutil/preallocate.go new file mode 100644 index 0000000000..c747b7cf81 --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/preallocate.go @@ -0,0 +1,54 @@ +// Copyright 2015 The etcd Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package fileutil + +import ( + "io" + "os" +) + +// Preallocate tries to allocate the space for given +// file. This operation is only supported on linux by a +// few filesystems (btrfs, ext4, etc.). +// If the operation is unsupported, no error will be returned. +// Otherwise, the error encountered will be returned. +func Preallocate(f *os.File, sizeInBytes int64, extendFile bool) error { + if sizeInBytes == 0 { + // fallocate will return EINVAL if length is 0; skip + return nil + } + if extendFile { + return preallocExtend(f, sizeInBytes) + } + return preallocFixed(f, sizeInBytes) +} + +func preallocExtendTrunc(f *os.File, sizeInBytes int64) error { + curOff, err := f.Seek(0, io.SeekCurrent) + if err != nil { + return err + } + size, err := f.Seek(sizeInBytes, io.SeekEnd) + if err != nil { + return err + } + if _, err = f.Seek(curOff, io.SeekStart); err != nil { + return err + } + if sizeInBytes > size { + return nil + } + return f.Truncate(sizeInBytes) +} diff --git a/vendor/github.com/prometheus/tsdb/fileutil/preallocate_darwin.go b/vendor/github.com/prometheus/tsdb/fileutil/preallocate_darwin.go new file mode 100644 index 0000000000..c9fa1a6c22 --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/preallocate_darwin.go @@ -0,0 +1,41 @@ +// Copyright 2015 The etcd Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package fileutil + +import ( + "os" + "syscall" + "unsafe" +) + +func preallocExtend(f *os.File, sizeInBytes int64) error { + if err := preallocFixed(f, sizeInBytes); err != nil { + return err + } + return preallocExtendTrunc(f, sizeInBytes) +} + +func preallocFixed(f *os.File, sizeInBytes int64) error { + fstore := &syscall.Fstore_t{ + Flags: syscall.F_ALLOCATEALL, + Posmode: syscall.F_PEOFPOSMODE, + Length: sizeInBytes} + p := unsafe.Pointer(fstore) + _, _, errno := syscall.Syscall(syscall.SYS_FCNTL, f.Fd(), uintptr(syscall.F_PREALLOCATE), uintptr(p)) + if errno == 0 || errno == syscall.ENOTSUP { + return nil + } + return errno +} diff --git a/vendor/github.com/prometheus/tsdb/fileutil/preallocate_linux.go b/vendor/github.com/prometheus/tsdb/fileutil/preallocate_linux.go new file mode 100644 index 0000000000..ada0462213 --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/preallocate_linux.go @@ -0,0 +1,47 @@ +// Copyright 2015 The etcd Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package fileutil + +import ( + "os" + "syscall" +) + +func preallocExtend(f *os.File, sizeInBytes int64) error { + // use mode = 0 to change size + err := syscall.Fallocate(int(f.Fd()), 0, 0, sizeInBytes) + if err != nil { + errno, ok := err.(syscall.Errno) + // not supported; fallback + // fallocate EINTRs frequently in some environments; fallback + if ok && (errno == syscall.ENOTSUP || errno == syscall.EINTR) { + return preallocExtendTrunc(f, sizeInBytes) + } + } + return err +} + +func preallocFixed(f *os.File, sizeInBytes int64) error { + // use mode = 1 to keep size; see FALLOC_FL_KEEP_SIZE + err := syscall.Fallocate(int(f.Fd()), 1, 0, sizeInBytes) + if err != nil { + errno, ok := err.(syscall.Errno) + // treat not supported as nil error + if ok && errno == syscall.ENOTSUP { + return nil + } + } + return err +} diff --git a/vendor/github.com/prometheus/tsdb/fileutil/preallocate_other.go b/vendor/github.com/prometheus/tsdb/fileutil/preallocate_other.go new file mode 100644 index 0000000000..162fbc5f78 --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/preallocate_other.go @@ -0,0 +1,25 @@ +// Copyright 2015 The etcd Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build !linux,!darwin + +package fileutil + +import "os" + +func preallocExtend(f *os.File, sizeInBytes int64) error { + return preallocExtendTrunc(f, sizeInBytes) +} + +func preallocFixed(f *os.File, sizeInBytes int64) error { return nil } diff --git a/vendor/github.com/prometheus/tsdb/fileutil/sync.go b/vendor/github.com/prometheus/tsdb/fileutil/sync.go new file mode 100644 index 0000000000..54dd41f4f3 --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/sync.go @@ -0,0 +1,29 @@ +// Copyright 2016 The etcd Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build !linux,!darwin + +package fileutil + +import "os" + +// Fsync is a wrapper around file.Sync(). Special handling is needed on darwin platform. +func Fsync(f *os.File) error { + return f.Sync() +} + +// Fdatasync is a wrapper around file.Sync(). Special handling is needed on linux platform. +func Fdatasync(f *os.File) error { + return f.Sync() +} diff --git a/vendor/github.com/prometheus/tsdb/fileutil/sync_darwin.go b/vendor/github.com/prometheus/tsdb/fileutil/sync_darwin.go new file mode 100644 index 0000000000..c2f39bf204 --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/sync_darwin.go @@ -0,0 +1,40 @@ +// Copyright 2016 The etcd Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build darwin + +package fileutil + +import ( + "os" + "syscall" +) + +// Fsync on HFS/OSX flushes the data on to the physical drive but the drive +// may not write it to the persistent media for quite sometime and it may be +// written in out-of-order sequence. Using F_FULLFSYNC ensures that the +// physical drive's buffer will also get flushed to the media. +func Fsync(f *os.File) error { + _, _, errno := syscall.Syscall(syscall.SYS_FCNTL, f.Fd(), uintptr(syscall.F_FULLFSYNC), uintptr(0)) + if errno == 0 { + return nil + } + return errno +} + +// Fdatasync on darwin platform invokes fcntl(F_FULLFSYNC) for actual persistence +// on physical drive media. +func Fdatasync(f *os.File) error { + return Fsync(f) +} diff --git a/vendor/github.com/prometheus/tsdb/fileutil/sync_linux.go b/vendor/github.com/prometheus/tsdb/fileutil/sync_linux.go new file mode 100644 index 0000000000..1bbced915e --- /dev/null +++ b/vendor/github.com/prometheus/tsdb/fileutil/sync_linux.go @@ -0,0 +1,34 @@ +// Copyright 2016 The etcd Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux + +package fileutil + +import ( + "os" + "syscall" +) + +// Fsync is a wrapper around file.Sync(). Special handling is needed on darwin platform. +func Fsync(f *os.File) error { + return f.Sync() +} + +// Fdatasync is similar to fsync(), but does not flush modified metadata +// unless that metadata is needed in order to allow a subsequent data retrieval +// to be correctly handled. +func Fdatasync(f *os.File) error { + return syscall.Fdatasync(int(f.Fd())) +} diff --git a/vendor/vendor.json b/vendor/vendor.json index e965b4d7f0..e6b0d8b4ab 100644 --- a/vendor/vendor.json +++ b/vendor/vendor.json @@ -400,10 +400,10 @@ "revisionTime": "2016-01-10T10:55:54Z" }, { - "checksumSHA1": "WbbxCn2jUYIL5viqLo0BKXEdPrQ=", - "path": "github.com/prometheus/prometheus/util/flock", - "revision": "3101606756c53221ed58ba94ecba6b26adf89dcc", - "revisionTime": "2017-08-14T17:01:13Z" + "checksumSHA1": "hOxzP9VnSzMLzqDtuW5Bhjn2DWU=", + "path": "github.com/prometheus/tsdb/fileutil", + "revision": "4f204dcbc15056cdd047b06ac6111becda5c2915", + "revisionTime": "2019-04-02T12:16:29Z" }, { "checksumSHA1": "lU41NL1TEDtsrr0yUdp3SMB4Y9o=",